Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


Aggregates inert, granular and inorganic materials that normally consist of stone or stone-like solids
Natural aggregates is collected from the natural deposits without changing their nature during the process of production such as crushing and grinding
Three types of rock igneous rock, sedimentary rock and metamorphic rock
Examples of igneous rock Granite, Perlite, Basalt
Examples of sedimentary rock Sandstone, Limestone
Examples of metamorphic rock Marble, slate
Metamorphism change in form
Manufactured (synthetic) aggregates is synthetic materials as main product or by-product from industries.
Coarse aggregate Aggregate particles that are retained on a 4.75mm sieve which has openings equal to 4.75mm between the sieve wires
Fine aggregate Aggregate particles that pass a 4.75mm sieve and to be retained on 75┬Ám sieve
Lightweight aggregate The unit weight of light weight aggregate is less than 1100kg/m3
Normal weight aggregate The unit weight of normal weight aggregate is in 1520-1680 kg/m3
Heavyweight aggregate Heavyweight concrete contains aggregates that are natural or synthetic with typically density more than 2080kg/m3
Examples of Lightweight aggregate Expanded clay, Perlite
Examples of Normal weight aggregate Granite, Limestone
Examples of Heavyweight aggregate Magnesite limonite, a heavy iron ore
Created by: DrAngusKFC